HILADUO Roller Shade 0%, Blackout, Grey.About the Shimmering Series:The Shimmering collection proves that blackout shades don't have to be dull. This fabric is infused with subtle metallic threads that catch the light, creating a sophisticated sparkle without being overpowering. It adds a touch of glamour to your window, transforming a functional necessity into a stunning design statement.Visibility & Light Control:Grey (Medium Color) + 0% Openness (Blackout): Brushed silver chic. Grey takes on a sleek, industrial edge with the shimmering finish, resembling brushed steel or silver mist. It fits perfectly in contemporary spaces. With 0% openness, it offers a cool, dark retreat, blocking glare and heat with stylish efficiency.